<?php

if (!function_exists('dd')) {
    /**
     * 调试
     * @param mixed ...$vars
     * @author Xionglin
     */
    function dd(...$vars)
    {
        foreach ($vars as $v) {
            echo PHP_EOL;
            print_r($v);
            echo PHP_EOL;
        }
        exit;
    }
}